[DRIVERS] 8250-uart: use strlcpy instead of strcpy.

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[ARM] arm32ve: Fix 2 coverity uncovered issue

* wrong test in cpu_vcpu_spsr_update()
* check vmm_devtree_attrval() return value.

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[COMMANDS] cmd_vserial: changing cmd_vserial_recv_flushesc() implementation

Trying to silence coverity on reporting memory corruption error.

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
[TOOLS] Add a coverity script

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>